membranes. Researchers from both UCLA and the University of Florida successfully produced fresh water from seawater in the mid-1950s.
MED is a distillation process often used for sea water desalination
MED consists of multiple stages or "effects“. In each stage the feed water is heated by steam in tubes
MED purifies water through the use of heat, to “boil” off and re-capt
Abb. For Polyvinylidene fluoride.
high purity polymers, particularly well suited to a number of fuel cell applications, including :
proton exchange membranes
conductive bipolar flow plates
cell plate coatings
Polymer behave like molecular sieves in the solid state
Internal surface area is wide
Pore size can be controlled up to nano-scale
Organic polymer is good one to be PIMs
Op
membrane (“thermo-physic cycle”).
▸Plasma-chemical decomposition of water in a double-stage CO2 cycle.
For these processes, efficiencies above 50 % can be expected and could possibly lead to a major decrease of hydrogen production costs. The main technical issues for these high-temperature processes relate to materials development for corrosion resistance at high temperatures, high-
GE
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산업용수로 재이용하는 수처리설비 분야에 진출했다. 현재 전통방식(Conventional Type)에서 최첨단의 Membrane을 활용한 MBR (Membrane Bioreactor) 방식 등 다양한 수처리 설비 분야에 최적화된 토털솔루션을 제공하고 있다. 이 부분에는 음용수생산공급, 도시상수처리, 발전/산업용수처리, 하수처리가 포함된다.